Raphael went to the store and bought 2 1/2 pounds of chicken for $ 9.00. what was the cost per pound?

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100